NCOIX vs. FJSYX

Last updated Jun 5, 2026

NCOIX (Nuveen High Yield Income Fund) and FJSYX (Nuveen Credit Income Fund) are both High Yield Bonds funds from Nuveen. Over the past 10 years, NCOIX returned 6.46%/yr vs 6.14%/yr for FJSYX. Their correlation of 0.86 suggests significant overlap in exposure. NCOIX charges 0.74%/yr vs 0.75%/yr for FJSYX.

Performance

NCOIX vs. FJSYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen High Yield Income Fund (NCOIX) and Nuveen Credit Income Fund (FJSYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NCOIX achieves a 2.43% return, which is significantly higher than FJSYX's 1.50% return. Both investments have delivered pretty close results over the past 10 years, with NCOIX having a 6.46% annualized return and FJSYX not far behind at 6.14%.

NCOIX

• 1D: -0.17%
• 1M: 0.58%
• YTD: 2.43%
• 6M: 3.77%
• 1Y: 9.30%
• 3Y*: 11.37%
• 5Y*: 5.99%
• 10Y*: 6.46%

FJSYX

• 1D: -0.15%
• 1M: 0.40%
• YTD: 1.50%
• 6M: 2.10%
• 1Y: 7.35%
• 3Y*: 10.40%
• 5Y*: 4.99%
• 10Y*: 6.14%

*Multi-year figures are annualized to reflect compound growth (CAGR)

NCOIX vs. FJSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NCOIX Nuveen High Yield Income Fund	2.43%	9.61%	9.44%	17.36%	-9.98%	6.64%	2.08%	12.79%	-0.60%	6.17%
FJSYX Nuveen Credit Income Fund	1.50%	8.21%	11.55%	13.62%	-10.00%	4.81%	1.43%	16.84%	-4.44%	7.57%

Correlation

The correlation between NCOIX and FJSYX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Apr 29, 2010	0.86

The correlation between NCOIX and FJSYX has been stable across timeframes, ranging from 0.85 to 0.88 - a consistent structural relationship.

Return for Risk

NCOIX vs. FJSYX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

NCOIX

NCOIX Risk / Return Rank: 91
NCOIX Sharpe Ratio Rank: 86
NCOIX Sortino Ratio Rank: 96
NCOIX Omega Ratio Rank: 92
NCOIX Calmar Ratio Rank: 87
NCOIX Martin Ratio Rank: 95

FJSYX

FJSYX Risk / Return Rank: 86
FJSYX Sharpe Ratio Rank: 80
FJSYX Sortino Ratio Rank: 93
FJSYX Omega Ratio Rank: 94
FJSYX Calmar Ratio Rank: 78
FJSYX Martin Ratio Rank: 85

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

NCOIX vs. FJSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen High Yield Income Fund (NCOIX) and Nuveen Credit Income Fund (FJSYX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	NCOIX	FJSYX	Difference
Sharpe ratio: Return per unit of total volatility	2.77	2.60	+0.17
Sortino ratio: Return per unit of downside risk	5.34	4.80	+0.54
Omega ratio: Gain probability vs. loss probability	1.70	1.74	-0.04
Calmar ratio: Return relative to maximum drawdown	4.20	3.45	+0.75
Martin ratio: Return relative to average drawdown	21.96	15.79	+6.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NCOIX vs. FJSYX - Sharpe Ratio Comparison

The current NCOIX Sharpe Ratio is 2.77, which is comparable to the FJSYX Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of NCOIX and FJSYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	NCOIX	FJSYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.77	2.60	+0.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.18	1.15	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.15	1.06	+0.09
Sharpe Ratio (All Time) Calculated using the full available price history	1.16	0.92	+0.24

Drawdowns

NCOIX vs. FJSYX - Drawdown Comparison

The maximum NCOIX drawdown since its inception was -23.02%, smaller than the maximum FJSYX drawdown of -36.44%. Use the drawdown chart below to compare losses from any high point for NCOIX and FJSYX.

Drawdown Indicators

	NCOIX	FJSYX	Difference
Max Drawdown Largest peak-to-trough decline	-23.02%	-36.44%	+13.42%
Max Drawdown (1Y) Largest decline over 1 year	-2.29%	-2.25%	-0.04%
Max Drawdown (3Y) Largest decline over 3 years	-4.15%	-3.71%	-0.44%
Max Drawdown (5Y) Largest decline over 5 years	-14.41%	-14.28%	-0.13%
Max Drawdown (10Y) Largest decline over 10 years	-23.02%	-25.66%	+2.64%
Current Drawdown Current decline from peak	-0.17%	-0.15%	-0.02%
Average Drawdown Average peak-to-trough decline	-2.31%	-4.18%	+1.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.44%	0.49%	-0.05%

Volatility

NCOIX vs. FJSYX - Volatility Comparison

The current volatility for Nuveen High Yield Income Fund (NCOIX) is 0.97%, while Nuveen Credit Income Fund (FJSYX) has a volatility of 1.05%. This indicates that NCOIX experiences smaller price fluctuations and is considered to be less risky than FJSYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NCOIX	FJSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.97%	1.05%	-0.08%
Volatility (6M) Calculated over the trailing 6-month period	2.65%	2.18%	+0.47%
Volatility (1Y) Calculated over the trailing 1-year period	3.48%	2.98%	+0.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.09%	4.34%	+0.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.63%	5.82%	-0.19%

NCOIX vs. FJSYX - Expense Ratio Comparison

NCOIX has a 0.74% expense ratio, which is lower than FJSYX's 0.75% expense ratio.

Dividends

NCOIX vs. FJSYX - Dividend Comparison

NCOIX's dividend yield for the trailing twelve months is around 8.15%, more than FJSYX's 6.81% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FJSYX Nuveen Credit Income Fund	6.81%	8.29%	8.42%	7.32%	6.12%	4.71%	4.73%	6.17%	7.83%	7.07%	7.09%	8.07%
NCOIX Nuveen High Yield Income Fund	8.15%	9.10%	7.41%	10.49%	5.79%	5.12%	5.51%	5.38%	6.28%	6.88%	7.29%	7.59%

Frequently Asked Questions

Can I hold both NCOIX and FJSYX in my portfolio?

NCOIX and FJSYX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NCOIX or FJSYX?

FJSYX has higher volatility (1.05%) compared to NCOIX (0.97%). In terms of maximum drawdown, NCOIX dropped -23.02% vs FJSYX's -36.44%.

Which has better risk-adjusted returns?

NCOIX currently has the higher Sharpe Ratio (2.77 vs 2.60), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.